相关HasMr.Gilbertcomplet的文学知识

问题详情：—HasMr．Gilbertcompletedthereport?  —Idon’tknow．ButIsawhe______it．     A．wrote   B．hasbeenwriting C．waswriting D．hadwritten【回答】C知识点：过去进行时及其被动式题型：选择题...